Steelmaking High Alumina Refractory Bricks 65% High Alumina Fire Brick
High Alumina Bricks Used for Roof of Electric Arc Furnace for Steelmaking
High Alumina Bricks Used for Roof of Electric Arc Furnace for Steelmaking/Excellent high temperature mechanical properties/Excellent chemical erosion resistance/Better thermal shock stability
Summary:
Electric furnace top high aluminum brick refers to the bauxite clinker and a small amount of clay made of Al2O3 content of more than 65%, used for the refractory products of electric furnace top.
Product features:
High aluminum brick for steelmaking electric furnace roof has excellent high temperature mechanical properties and chemical erosion resistance. Especially for not burning products, the shape size is more accurate, and the thermal shock stability is better.
Range of application:
High aluminum brick for steelmaking electric furnace roof is mainly used in steel industry, the top of steelmaking electric furnace.
Technical data:
|
Brand Items |
DL-80 | DL-75 | BDL-A | BDL-B |
| Al2O3 % ≥ | 80 | 75 | 75 | 75 |
| Refractoriness ℃ ≥ | 1790 | 1790 | 1790 | 1790 |
| Refractoriness under load 0.2MPa ℃ ≤ | 1530 | 1520 | 1620 | 1580 |
|
Reheat linear change 1500℃×2h % |
0.2~-0.4 | 0.2～-0.4 | 0~-0.3 | 0~-0.4 |
| Apparent porosity % ≤ | 19 | 19 | 20 | 20 |
| Cold crushing strength MPa ≥ | 75 | 65 | 60 | 55 |
|
Resistance to themalshock times ≥ (1100℃,water-cooling) |
- | - | 30 | 25 |
Packaging and Storage:
Wooden pallets+thermoplastic film packaging,size 100×80×70 mm and weighs about 1.4 tons /pallet ;Store in a dry, moisture-proof warehouse,storage period is 24 months.
Construction method:
The masonry roof must be balanced and appropriate expansion joints must be left in the radial and circumference. Bake it before use. In the process of smelting operation, it is appropriate to use lower grade bricks, and when melting erosion is mainly damaged, it is appropriate to use higher grade bricks. And in the continuous high temperature smelting, add the furnace cover top blowing ash.
YuDa’s Expertise
Beijing Yuda's main business includes refractory materials, insulation materials, wear-resistant materials, metal materials, and provides refractory material diagnosis, design, research and development, manufacturing, construction, and maintenance services. For many years, we have been committed to providing our customers with the highest quality products, the most comprehensive services, and the most accurate solutions, saving them time, effort, and money, and ensuring the stable operation of high-temperature kilns. At the same time, we can also provide engineering general contracting services such as refractory material selection, design, installation, and maintenance, optimize refractory material configuration, improve the synergy between refractory materials and processes, increase kiln operation rate, and provide you with comprehensive nanny style services.
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